The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2005
Filed:
Apr. 04, 2003
Applicants:
Kazuaki Tarumi, Darmstadt, DE;
Brigitte Schuler, Darmstadt, DE;
Eike Poetsch, Darmstadt, DE;
Volker Reiffenrath, Darmstadt, DE;
Yukiomi Tanaka, Darmstadt, DE;
Inventors:
Kazuaki Tarumi, Darmstadt, DE;
Brigitte Schuler, Darmstadt, DE;
Eike Poetsch, Darmstadt, DE;
Volker Reiffenrath, Darmstadt, DE;
Yukiomi Tanaka, Darmstadt, DE;
Assignee:
Merck Patent GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09K019/12 ; C09K019/30 ; C09K019/34 ; C09K019/20 ;
U.S. Cl.
CPC ...
Abstract
Liquid-crystalline mediums based on a mixture of polar compounds having positive dielectric aniostropy, characterized in that they comprise one or more compounds of the general formula Iin which R, A, Z, Y and L are as defined herein, are suitable for use in MLC, TN and STN dispalys.